Home / 3,239,138.50-4,861,696.68-1,642,822.60

Finding the Fourth Proportional to 3,239,138.50, 4,861,696.68 and 1,642,822.60

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Solution

The fourth proportional to 3,239,138.50, 4,861,696.68 and 1,642,822.60 is: 2,465,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239,138.50 : 4,861,696.68 = 1,642,822.60 : x
  2. Step 2: Convert to fraction form
    3,239,138.50/4,861,696.68 = 1,642,822.60/x
  3. Step 3: Cross multiply
    3,239,138.50x = 4,861,696.68 × 1,642,822.60
  4. Step 4: Simplify right side
    3,239,138.50x = 7,986,905,180,248.97
  5. Step 5: Solve for x
    x = 7,986,905,180,248.97/3,239,138.50
  6. Step 6: Final answer
    x = 2,465,749.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.